Prescott's Microbiology
11th Edition
ISBN: 9781260211887
Author: WILLEY, Sandman, Wood
Publisher: McGraw Hill
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Textbook Question
Chapter 4.3, Problem 1CC
Thus far, homologues of intermediate filaments have not been identified in archaea. Is it likely that they will be identified eventually? Explain your answer.
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Chapter 4 Solutions
Prescott's Microbiology
Ch. 4.1 - Retrieve, Infer, Apply 1. Which cell shapes are...Ch. 4.1 - Retrieve, Infer, Apply 2. Archaea was first...Ch. 4.2 - MICRO INQUIRY How is pseudomurein similar to...Ch. 4.2 - Retrieve, Infer, Apply 1. Identify three features...Ch. 4.2 - Prob. 2CCCh. 4.3 - Thus far, homologues of intermediate filaments...Ch. 4.3 - Retrieve, Infer, Apply 2. Archaea are often...Ch. 4.4 - Retrieve, Infer, Apply 2. What observations about...Ch. 4.4 - Retrieve, Infer, Apply 3. List three aspects of...Ch. 4.4 - Prob. 3CC
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- Considering prokaryotic flagella, how does the structure of the flagella influence the specific movement? What are the different components of flagella and how do they work?arrow_forwardWill Beta-lactam antibiotics disrupt cell wall formation in Domain Archaea? • A. No as Archaea do not have a 1,4 glycosidic bond • B. No as Archaea do not have a D-ala D-ala in their peptide side-chain • C. Yes, they will target the 1,3 glycosidic bond D. No as Archaea do not contain NAM in their backbone O E. Yes, they inhibit peptide side-chain cross-linkingarrow_forwardAre all prokaryotes unicellular? Can they be multicellular? Justify your answer.arrow_forward
- Consider the diversity of oxygenic and anoxygenic photosynthesis in bacteria: a. Which group(s) of bacteria carry out oxygenic photosynthesis? b. Which group(s) of bacteria carry out anoxygenic photosynthesis?arrow_forward"a long, thin cellular appendage present in many Archaea that rotates and is responsible for swimming motility" Name it.arrow_forwardExplain the mechanism by which the fungal toxin brefeldin A affects retrieval of KDEL-tagged proteins from the cis-Golgi network back to the endoplasmic reticulum? Explain how the discovery of cytoskeletal elements in prokaryotes contributed to the current understanding of the endosymbiont theory?arrow_forward
- What is the endosymbiotic hypothesis about the origin of mitochondria? What are the molecular facts that support the hypothesis? To which other cellular organelles can the hypothesis also be applied?arrow_forwardArchaea cells do NOT often have: a. preferences for extreme habitats. b. specifically identifiable ribosomal RNA genes. c. Branched chains in their membrane lipids. d. Ester linkages in their phospholipids. e. Pseudomurein cell wall containing no N-acetylmuramic acid and no D-amino acids. f. circular chromosomes.arrow_forwardA filamentous organism has been isolated from decomposing organic matter. This organism has a cell wall but no chloroplasts. How would you classify this organism?arrow_forward
- Pseudopeptidoglycan is a characteristic of the walls of ________. a. eukaryotic cells b. bacterial prokaryotic cells c. archaean prokaryotic cells d. bacterial and archaean prokaryotic cellsarrow_forwardPenicillin inhibits bacterial growth by preventing the cross-linking during peptidoglycan synthesis. Why does penicillin not inhibit growth of archaeal cells? Group of answer choices Most archaeal cells have a cell wall, but it is not composed of peptidoglycan. Archaeal cells do not have a cell wall. Penicillin is unable to penetrate the lipid outer membrane that blocks access of penicillin to the peptidogycan crosslinking enzymes. Pencillin is unable to penetrate the S layer to reach the peptidoglycan layer underneath.arrow_forwardWhy do cyanobacteria possess heterocysts? View Available Hint(s) for Part A Heterocysts shield the organism's nitrogen fixation enzymes from oxygen. Heterocysts serve as a primitive nucleus in these bacteria. Heterocysts are reproductive structures similar to endospores in other bacteria. Bacterial photosynthetic pigments are located in heterocysts.arrow_forward
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